A3Sec CTEM vs Bishop Fox Cosmos: Side-by-Side Comparison (2026)

A3Sec CTEM: Managed CTEM service for continuous attack surface & threat exposure mgmt. built by A3Sec. Core capabilities include Continuous asset discovery and mapping, including unknown assets, with a dynamic inventory, Real-time visibility into all assets and their exposure levels, Automated attack simulations to validate vulnerability exploitability..

Bishop Fox Cosmos: Managed continuous threat exposure mgmt platform with expert-driven testing. built by Bishop Fox. Core capabilities include External attack surface discovery and mapping, Continuous asset monitoring and reconnaissance, Automated exposure detection and analysis..

Both serve the Exposure Management market but differ in approach, feature depth, and target audience.

A3Sec CTEM differentiates with Continuous asset discovery and mapping, including unknown assets, with a dynamic inventory, Real-time visibility into all assets and their exposure levels, Automated attack simulations to validate vulnerability exploitability. Bishop Fox Cosmos differentiates with External attack surface discovery and mapping, Continuous asset monitoring and reconnaissance, Automated exposure detection and analysis.

A3Sec CTEM is developed by A3Sec. Bishop Fox Cosmos is developed by Bishop Fox. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

A3Sec CTEM and Bishop Fox Cosmos serve similar Exposure Management use cases: both are Exposure Management tools. Review the feature comparison above to determine which fits your requirements.